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Glycosides are condensation products of :-

  • A.Sugar + aglycone
  • B.Sugar + protein
  • C.Protein + aglycone
  • D.Fats + aglycone

Answer: A

Glycosides are condensation products of sugar + aglycone.

A glycoside forms when a sugar (the glycone) joins a non-sugar part (the aglycone or genin) through a glycosidic bond, with loss of a molecule of water. Acid or enzyme hydrolysis reverses this and releases the sugar and the aglycone. The aglycone usually carries the drug's action, as in the cardiac glycosides of digitalis and the anthraquinone glycosides of senna.

Proteins and fats are not the partners in a glycoside, so the other combinations are wrong.

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